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首页> 外文期刊>Pest Management Science >A new mite IPM strategy: predator avoidance behaviour resulting from the synergetic effects of predator release and acaricide-treated nets
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A new mite IPM strategy: predator avoidance behaviour resulting from the synergetic effects of predator release and acaricide-treated nets

机译：一种新的螨IPM策略：捕食者释放和杀螨剂处理网的协同效应产生的捕食者避免行为

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Background Tetranychus evansi and T. urticae spider mites are known major pests of Solanaceae. Smallholders in Africa rely heavily on pesticide treatments. However, farmers claim that pesticides are generally ineffective despite high-frequency sprays. New management solutions are thus urgently needed. This study assessed the efficacy of using acaricide-treated nets combined with predatory mite release for controlling spider mites. Results The results showed the acaricide-treated net alone was more effective at reducing numbers of T. urticae than T. evansi. We observed the opposite for release of the predatory mite Phytoseiulus longipes. This difference could be explained by the specific dispersion strategies of the two spider mite pests; T. evansi is gregarious, whereas T. urticae dispersed rapidly. Joint application of both techniques resulted in a synergetic effect that reduced T. evansi and T. urticae spider mite numbers close to zero. The synergetic effect could be explained by predator avoidance behaviour of the prey spider mites, resulting in higher prey trapping and killing rates on acaricide-treated nets, while P. longipes fed on spider mite eggs. Conclusion These techniques are profitable for smallholders as they are not expensive and avoid residues on the crop. (c) 2018 Society of Chemical Industry
机译：背景技术Tetranychus evansi和T.荨麻疹蜘蛛螨是茄科的主要害虫。非洲的小农依赖于农药治疗。然而，尽管高频喷雾，农民宣称杀虫剂通常是无效的。因此，迫切需要新的管理解决方案。该研究评估了使用杀螨剂处理的网的功效与控制蜘蛛螨的捕食性螨虫联合。结果结果表明，单独的杀螨剂处理的网在减少尿尿至埃文西的尿素数量方面更有效。我们观察到释放捕食性斑氏植物胰岛素长度的相反。这种差异可以通过两只蜘蛛螨虫的特定分散策略来解释;埃文西是艰苦的，而T.荨麻疹迅速分散。两种技术的联合应用导致协同作用，其减少了近零的T. evansi和T.荨麻疹蜘蛛螨号。协同效应可以通过捕食者蜘蛛螨的避税行为来解释，导致杀螨剂处理的网上更高的猎物捕获和杀死率，而P.P.Sugipes在蜘蛛螨蛋上供给。结论这些技术对于小农有利可图，因为它们并不昂贵，避免作物的残留物。 （c）2018化学工业协会

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